drm/amdgpu/display: check if fbc is available in set_static_screen_control (v2)

The value is dependent on whether fbc is available.

v2: only check if num_pipes is valid

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 4789270..9724a17 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1750,7 +1750,12 @@ static void set_static_screen_control(struct pipe_ctx **pipe_ctx,
        if (events->force_trigger)
                value |= 0x1;
 
-       value |= 0x84;
+       if (num_pipes) {
+               struct dc *dc = pipe_ctx[0]->stream->ctx->dc;
+
+               if (dc->fbc_compressor)
+                       value |= 0x84;
+       }
 
        for (i = 0; i < num_pipes; i++)
                pipe_ctx[i]->stream_res.tg->funcs->